Check the Vibration damper rods to be sure that...1. They are there and mount is solid.2. If they are broken in 1/2.3. The plastic knuckle mounts are not missing/broken.4. There is oil in the shock absorber/spring section of the rods.

Also - there are suspension springs on the bottom of the tub that could be broken and/or missing.

Replace/repair as necessary.

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Your FAV6800A or FAV9800A is going off balance with DC or UC unbalance error codes during spin cycle and you see/hear the wash tub banging around at the start of Spin Cycle of the wash cycle or a Spin Only cycle. If this is the condition the TDS (Tub Displacement Sensor) is working as designed and signaling the Control Board properly of an unbalance wash load condition.

The Control Board receives a varying D.C . Voltage from the TDS sensor and if the out of range D.C. Voltage limit continues the Control Board will halt the Spin Cycle and try to redistribute the wash load. If you are interested I will show you how to monitor the TDS input to the Control Board with a DVM.

The Control Board then starts the Spin Cycle again. If the wash tub/basket out of balance condition continues the Control Board will attempt another redistribute of the wash load. After several attempts (4 to 5 I believe) the Control Board will shut down the Spin Cycle and send a error code DC or UC to the LED display of the FAV6800A, my machine type. And I believe a text statement to the LCD screen of the FAV9800A machine i.e. something like "Unbalance Condition" I'm not sure what the text message is.

If you need help open a post in that repair forum and I will try help you through your issue.The forum is free and my time is free I just don

This model of washer does not have an out of balance cut off switch. If the load is not balanced properly the tub could hit the cabinet sides. If the unit spins evenly while empty & out of balance while loaded, I recommend checking & balancing the load. If the basket spins out of balance while empty, I recommend having the suspension springs & balance ring checked. Be sure not to wash light fabric with heavy fabric clothes. Also ensure that the adjustable feet are level, that's most important.

I do not know the model of washer you have but it sounds like your shock absorbers that dampen the baskets movements, are needing to be replaced. These limit the movement of the basket so that the motor is able to spin up to the proper speed. Otherwise the load is not balanced and the motor can not spin the basket.

Hi, check leveling of machine, machine should be proper leveled on all side, use spirit level to adjust legs, there should be no rocking motion, in any direction after leveling, put hands on top of machine and try to rock it sids to side, there should be no movements, also check for overloading, be careful when washing things like bath towels, etc, they absorb lots of water, eg. one regular bath towel are equivalent, to six pants, six tops. or possible springs or bushings broken, you need open machine and check.

Check the Vibration damper rods to be sure that...1. They are there and mount is solid.2. If they are broken in 1/2.3. The plastic knuckle mounts are not missing/broken.4. There is oil in the shock absorber/spring section of the rods.

Also - there are suspension springs on the bottom of the tub that could be broken and/or missing.

Replace/repair as necessary.

IF THIS IS A BRAND NEW INSTALLATION - be sure you hav removed the basket shipping pins (4) that secure the tub during shipping.

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it has a bad balance ring on the top of the basket no so hard but not that easy either
you have to remove the case to get to the balance ring
go to www.sears.com and go to parts and put in the full model number, under the parts tab in appliances and select view brakedown and it will explain it better with you seeing it